Datasheet

12
LT1077
1077fa
±250V Common Mode Range Difference Amplifier (A
V
= 1)
Two Terminal Current Source Half-Wave Rectifier
TYPICAL APPLICATIO S
U
COMMON MODE REJECTION RATIO =
WITH OPTIONAL TRIM =
OUTPUT OFFSET (TRIMMABLE TO ZERO) =
OUTPUT OFFSET DRIFT =
INPUT RESISTANCE =
COMMON MODE RANGE =
=
=
74dB (RESISTOR LIMITED)
108dB
500µV
25µV/°C
1M
± 250V, V
+
= 6.2V TO 18V, V
–
= –4.7V TO –18V
± 100V, V
++
≥ 3.2V, V
–
≤ –1.8V
100V, –13V, V
+
≥ 3.2V, V
–
= 0V
CO
MM
ON
M
O
D
E
INP
UT
± 2
50V
+
IN
–
IN
R
3
1M
R1
1M
R
5
9
7
5
k
R2
2
0k
OUT
50
k
O
PTI
O
NA
L
C
MR
R
TRIM
R1 T
O
R6: VI
S
HAY 444 A
CCU
TRA
C
T THIN FIL
M
SIP NETWORK
:VI
S
HAY 444 PIN N
U
MBER
S
VISHAY INTERTECHNOLOGY
,
INC
.
63 LINCOLN HIGHWAY
MALVERN, PA 19355
R
6
2
5k
R4
1
9
.
608k
3V T
O
18
V
O
V T
O
–
18
V
2
7
4
6
3
X
5
6
7
4
1
2
3
LT1077 • TA04
+
–
LT1077
4
7
6
3.6V TO 40V
MINIMUM CURRENT = 50µA (R1 → ∞)
MAXIMUM CURRENT = 10.3mA (R1 = 120Ω)
LT1034
1.2V
750k
R
L
I
S
I
O
I
O
= + I
S
V
R1
R
1
R1 V
R1
+
–
2
3
=+ 50µA
1.230V
R
1
LT1077 • TA05
+
–
OUTPUT
1.8V1.8V
–1.8V
0
V
0MIN
= 6mV
NO DISTORTION TO 100Hz
LT1077
3V
2M
1M
1M
INPUT
LT1077 • TA06